﻿///////////////////////////////////////////////////////////////////////////////
//
//  This source is part of the  "Managed Task Framework.NET Runtime"  (MTF.NET Runtime).
//
//
//  Copyright (c) 2011, Multicore Consulting Limited (UK)
//  All rights reserved.
//  http://www.multicoreconsulting.co.uk
//
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions
//  are met:
//
//  -  Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
//  -  Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in
//     the documentation and/or other materials provided with the
//     distribution.
//  -  Neither the name of Multicore Consulting Limited nor the names of
//     its contributors may be used to endorse or promote products
//     derived from this software without specific prior written
//     permission.
//
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
//  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
//  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
//  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
//  COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
//  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
//  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
//  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
//  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
//  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
//  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//  POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////////

using MTFOrg.MTF.MTFRuntime;
using System.Threading;

namespace MTFOrg.MTF.MTFCore
{
    public class CoreTaskManager : ThreadPoolTaskManager
    {
        public CoreTaskManager(ThreadPriority guiThreadPriority) :
            base(guiThreadPriority)
        {
        }

        public CoreTaskManager() :
            base(ThreadPriority.Normal)
        {
        }

        class ProtoValidator : PrototypeValidator
        {
            public override bool CanConnectPoints(IConnectionPoint sourceConnectionPoint, IConnectionPoint targetConnectionPoint)
            {
                return true;
            }
        }

        class PCConnectionManager : MTFRuntime.ConnectionManager
        {
            public override ConnectionList FilterConnections(ConnectionList newConnections)
            {
                ConnectionList filteredConnections = new ConnectionList();

                foreach (IConnection cxn in newConnections)
                    if (cxn.SourceConnectionPoint is ConsumerConnectionPoint)
                        filteredConnections.Add(cxn);

                return filteredConnections;
            }
        }

        public override PrototypeValidator GetPrototypeValidator()
        {
            return new ProtoValidator();
        }

        public override ConnectionManager GetConnectionManager()
        {
            return new PCConnectionManager();
        }
    }
}
